/** The Value of the Cache assumes the object has a delete method */
interface CachedObject {
    delete?: () => void;
}
/** Cache that keeps the most recently used items and deletes the least recently used items */
export default class Cache<U, T extends CachedObject> extends Map<U, T> {
    #private;
    maxCacheSize: number;
    /** @param maxCacheSize - the maximum size of the cache */
    constructor(maxCacheSize?: number);
    /**
     * Set a value in the cache. If the cache is full, the least recently used item will be deleted
     * @param key - the key
     * @param value - the value
     * @returns sets the key-value and returns the cache
     */
    set(key: U, value: T): this;
    /**
     * Get a value from the cache. If the value exists, it will be placed in the front of the cache
     * @param key - the key
     * @returns the value or undefined if the value does not exist
     */
    get(key: U): T | undefined;
    /**
     * Get a batch of values from the cache. If the value exists, it will be placed in the front of the cache
     * @param keys - the keys to get
     * @returns the values
     */
    getBatch(keys: U[]): T[];
    /** @returns all values from the cache */
    getAll(): T[];
    /**
     * Delete a value from the cache
     * @param key - the key to delete
     * @returns true if the value was deleted
     */
    delete(key: U): boolean;
    /** Delete all values from the cache */
    deleteAll(): void;
}
export {};